add 7zip package

1 files changed, 10 insertions, 0 deletions

diff --git a/xmake/actions/require/impl/environment.lua b/xmake/actions/require/impl/environment.lua
index 3025e0459..8375f05a6 100644
--- a/xmake/actions/require/impl/environment.lua
+++ b/xmake/actions/require/impl/environment.lua
@@ -40,11 +40,21 @@ function enter()
     -- set search pathes of toolchains 
     environment.enter("toolchains")
 
+    -- unzip is necessary
+    if not find_tool("unzip") then
+        raise("unzip not found! we need install it first")
+    end
+
     -- git not found? install it first
     if not find_tool("git") then
         package.install_packages("git")
     end
 
+    -- missing the necessary unarchivers for *.gz, *.7z? install them first, e.g. gzip, 7z, tar ..
+    if not ((find_tool("gzip") and find_tool("tar")) or find_tool("7z")) then
+        package.install_packages("7z")
+    end
+
     -- get prefix directories
     local plat = get_config("plat")
     local arch = get_config("arch")